elastic limit
strain
factor of safety
bulk modulus
✅ The correct answer is option C.
Machine Design MCQs
The algebraic difference between the maximum limit and the basic size is called
lower deviation
upper deviation
actual deviation
mean deviation
✅ The correct answer is option B.
When percentage of carbon in steel is increased, the ductility of steel decreases.
Correct
Incorrect
✅ The correct answer is option A.
A spring is used to
measure forces
apply forces
store energy
all of these
✅ The correct answer is option D.
In case of thick cylinders, the tangential stress across the thickness of cylinder is
maximum at the outer surface and minimum at the inner surface
maximum at the inner surface and minimum at the outer surface
maximum at the inner surface and zero at the outer surface
maximum at the outer s
✅ The correct answer is option B.
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)
0.5 d
0.8 d
d
1.2 d
✅ The correct answer is option C.
A shoe brake is commonly used in railway trains.
Yes
No
✅ The correct answer is option A.
According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be
45 to 60%
63 to 70%
70 to 83%
80 to 90%
✅ The correct answer is option D.
A rivet is specified by
shank diameter
length of rivet
type of head
length of tail
✅ The correct answer is option A.
When two helical springs of equal lengths are arranged to form a cluster spring, then
shear stress in each spring will be equal
load taken by each spring will be half the total load
all of the above
none of these
✅ The correct answer is option C.